نتایج جستجو برای: standard deviation and analysis statistics paired

تعداد نتایج: 17313574  

فرهمند دهقانپور ورنامخواستی, فرزانه, یوسفی, زهرا,

Objectives: The aim of the present study was to assess multiple relationships between rumination and mood with frightening dreams. Method: The research method was descriptive and correlational. The statistical population was all students of Isfahan (Khorasgan) Islamic Azad University in 2014-2015 academic year. The sample consisted of 180 students who were selected through random cluster sampli...

Journal: :international journal of pediatrics 0
abdolreza gilavand employed expert on faculty appointments at ahvaz jundishapur university of medical sciences, ahvaz, iran amir jamshidnezhad assistant professor, department of health information technology, ahvaz jundishapur university of medical sciences, ahvaz, iran

background the learning environment dramatically affects the learning outcomes of students. noise, inappropriate temperature, insufficient light, overcrowded classes, misplaced boards and inappropriate classroom layout all make up factors that could be confounding variables distracting students in class. this study was conducted to examine the effect of noise in educational institutions on the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

2006
R. Pollak A. Palazotto T. Nicholas

A critical evaluation of the statistics of the fatigue strength distribution as determined by the staircase (or up-and-down) method is presented. The effects of test parameters (namely, step size and sample size) were analyzed using numerical simulation to determine the accuracy of fatigue strength standard deviation calculations using traditional staircase statistics, resulting in a quantifica...

Asma Abdollahi Darmian Ebrahim Moradi,

As regards decreasing cotton cultivation in Iran during these years, the degree of risk taken by a cotton cultivator in the agricultural part is important. The studies showed that the cotton crop yield during the past years did not have enough growth and the cotton cost product in the period of study cotton production costs, has increased. In this paper, the risk orientation of cotton cultivato...

Introduction: The purpose of study was the effect of 8 weeks training shallow water on static balance of military with knee injuries. Materials and Methods: Subjects of this research there were the Number of person 46 military in north khorasan province, They participated in this study purposefully and voluntarily. Subjects were randomly divided into two experimental groups of 23 people (Mean ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...

ژورنال: حیات 2021
Ghaljeh, Mahnaz, Mohamadi Sadegh, Maryam, Navidian, Ali, Rezaee, Nasrin,

Background & Aim: Pre-hospital emergencies are one of the most stressful medical professions. Stressful jobs affect employees’ resilience and their ability to control anger. The aim of this study is to determine the effect of psycho-education on the level of anger and resilience among pre-hospital emergency staff. Methods & Materials: In this quasi-experimental study, 120 people employed in ur...

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